I've got the Iiyama that does 1600x1200 at 85Hz (I think). At that top res it only manages 60Hz.
You wouldn't want to use it for viewing text at anything above 1280x1024 (unless that's just because my eyes are going wonky).
You wouldn't want to use it for viewing text at anything above 1280x1024 (unless that's just because my eyes are going wonky).